Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC is a genuine double-acting standard air cylinder with a Ø125mm bore and 90mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke90 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC
The AirTAC SC125X90TC is a double-acting tie-rod cylinder with a 125 mm bore and 90 mm stroke, factory-supplied with a centre trunnion (TC) mounting for pivoting applications. At 0.5 MPa air pressure it generates 6136 N of push force and 5734 N on the pull stroke, rising to 11045 N at the maximum operating pressure of 0.9 MPa.
This model uses a 32 mm diameter piston rod with M27x2 male knuckle thread and PT1/2 ports. The 28 mm adjustable air cushion at each end decelerates the piston smoothly, protecting the end caps during high-cycle operation. The body length (A) is 203 mm, giving a total extended length of approximately 293 mm for this 90 mm stroke configuration.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 90 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×90 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC Is Used
Conveyor Diverters
The 6136 N push force at 0.5 MPa and centre trunnion mount allow the SC125X90TC to pivot a diverter gate or flipper on a conveyor line, handling medium-weight packages reliably.
Clamping & Fixturing
With 11045 N of clamping force available at 0.9 MPa, this cylinder suits heavy-duty weld fixtures and machining jigs where the trunnion mount accommodates angular movement during clamp engagement.
Agricultural Machinery
The tie-rod construction and 32 mm rod withstand dusty, demanding environments. Use this trunnion-mounted cylinder to actuate chutes, gates, or linkage arms on harvesters and processing equipment.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC the Right Cylinder?
The SC125 bore sits between the SC100 (3927 N push at 0.5 MPa) and the SC160 (10053 N push at 0.5 MPa). If your load requires more than 6136 N of thrust, step up to the SC160; for a lighter, more compact actuator, the SC100 may be sufficient. The SC125X90TC includes the TC centre trunnion mount (part code F-SC125TC) which ships with the TCM1 trunnion bracket, allowing the cylinder to pivot during operation.
For replacement, match five key attributes: 125 mm bore, 90 mm stroke, PT port thread, centre trunnion (TC) mounting, and the absence of a built-in magnet. The SC series is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders, though the 125-250 bore range conforms to ISO 6430 class mounting dimensions.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X90TC FAQ
At 0.5 MPa the cylinder produces 6136 N extending and 5734 N retracting. At the maximum operating pressure of 0.9 MPa the push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf. Always apply a safety factor for real-world dynamic loads.
No. The SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 profile cylinder, so mounting dimensions and tie-rod spacing differ. The SC125-250 bores follow ISO 6430 class dimensions. For a direct replacement, match another AirTAC SC tie-rod cylinder with the same bore, stroke, PT ports, and TC centre trunnion mount.
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